3B30 / 3B31
Input Bias Current
Input Resistance
+3 nA
*
15 MΩ
650 kΩ
Noise
Input, 0.1 Hz to 10 Hz Bandwidth
Output, 100 kHz Bandwidth
Bandwidth, -3 dB
0.2 µV rms
50 µV rms
3 Hz
*
*
*
*
Output Rise Time, 10% to 90% Span
200 ms
Common-Mode Voltage (CMV)
±1500 V peak, maximum
ANSI/IEEE C37.90.1-1989
Common Mode Rejection (CMR)
Input-to-Output, Continuous
Transient
*
*
160 dB
160 dB
1 kΩ Source Imbalance, 50/60 Hz
150 dB (3B31-02); 145 dB (3B31-03)
Normal Mode Rejection, 50/60 Hz
60 dB
*
Input Protection
Continuous
220 V rms maximum
*
*
*
*
Transient
ANSI/IEEE C37.90.1-1989
Continuous Short to Ground
130 V rms, continuous
Voltage Output Protection
Current Output Protection
Power Supply Voltages 5
±15 V dc Supplies
Rated Operation
Current
±(11.5 V dc to 16.5 V dc)
±10 mA
*
*
*
Sensitivity
±0.01% span/V
+24 V dc Loop Supply
Rated Operation
Current
+12 V dc to +30 V dc
+27 mA @ lout = 20 mA
±0.0002% span/V
*
*
*
*
Sensitivity
Mechanical Dimensions
3.15" x 3.395" x 0.775"
80.0 mm x 86.2 mm x 19.7 mm)
Environmental
Temperature Range
Rated Performance
Storage
-25°C to +85°C
*
*
*
*
-55°C to +85°C
Relative Humidity, 24 hours
RFI Susceptibility
0 to 95% @ +60°C non-condensing
±0.5% Span error @ 400 MHz, 5 Watt, 3 ft
* Specifications same as model 3B30.
1 For a 0 to 20 mA range, a typical minimum output current is 10 µA.
2 Includes the combined effects of repeatability, hysteresis, and nonlinearity.
3 With respect to the voltage output.
4 A wide range of custom zero suppression and span is available with the 3B30-00 and 3B31-00 models, using the AC1310 ranging card.
5 +24 V dc loop power is required for driving the current output at loads up to 850Ω. If a current output load of 400Ω or less is applied, +15 V dc is sufficient for loop power. If only
voltage output is used, loop power is not required.
Specifications subject to change without notice.
Rev. 0 | Page 4 of 8
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